Parasound(파라사운드) 레퍼런스 포노앰프 JC3+
상품분류 포노앰프(Phono Amplifier)
제조사 Parasound(파라사운드)
총평점 -  [사용기 작성]
판매가 4,790,000원
할인가 3,830,000원
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  • 할로 레퍼런스 포노앰프!
  • 이 가격대에 최고의 성능을 보이며 세계적으로 검증이 끝난 제품!!
  • 듀얼모노 디자인, MC 부하 조정









    • FEATURES


  • Designed by John Curl - creator of the legendary Vendetta Research phono preamp
  • Inputs and outputs use Vampire brand 24k gold-plated RCA jacks
  • Balanced outputs use Neutrik brand premium XLR jacks
  • MM 47k ohm, MC 47k ohm or MC variable 50-550 Ohms
  • RIAA accurate within 0.2 dB
  • Exclusively Vishay-Dale resistors in the audio path
  • Triple shielding; low-carbon mild steel partitions isolate the power supplies & AC wires
  • Dual mono design; each audio channel is separately enclosed in its own extruded aluminum enclosure
  • Separate high speed-soft recovery rectifiers, filter caps and voltage regulators for each channel
  • Superior R-core type power transformer
  • Mono switch can improve sound of mono and older LPs
  • Built-in AC line conditioner to prevent AC noise from polluting the circuits
  • AC polarity reverse switch can reduce hum in many systems
  • Non-magnetic aluminum rear panel for purest sound
  • Turn On Options switch: manual or auto with 12v trigger input
  • Premium detachable heavy gauge IEC AC cord
  • 2u Chassis, rack mountable with HRA2 (sold separately)

    How the JC 3+ improves on the original JC 3:

    • Variable MC load adjust independent for each channel from 50-550 ohms with dual gang potentiometers specially made for Parasound by Vishay.
    • Curl-Thompson tweaked circuits to further reduce the JC 3 silent background noise.
    • 24k gold plated copper traces on phono module boards for utmost conductivity and most transparency/detail in the music.
    • 47% larger low ESD power supply filter caps greater reserve for head-snapping dynamics.
    • 82% larger R-core power transformer greater reserve for more low end impact.
    • Ability to turn off illumination of the front panel P logo.
    • Now Available in Silver or Black.


    SPECS


    Frequency Response
    20 Hz - 20 kHz, +/- 0.2 dB

    Total Harmonic Distortion
    < 0.01% at 1 kHz

    Signal to Noise Ratio, MM
    > 87 dB, input shorted, IHF A-weighted
    > 78 dB, input shorted, unweighted

    Signal to Noise Ratio, MC
    > 87 dB, input shorted, IHF A-weighted
    > 67 dB, input shorted, unweighted

    Interchannel Crosstalk
    72 dB at 1 kHz

    Input Impedance
    MM: 47k Ω
    MC: 50 - 550 Ω variable, 47k Ω fixed

    Output Impedance
    Unbalanced: < 100 Ω
    Balanced: < 100 Ω per leg

    Input Sensitivity at 1 kHz
    MM: 4mV for 1 V output
    MC: 600µV for 1 V output

    Total Gain
    MM: 48 dB
    MC: 64 dB

    XLR Pin Identification
    1 = Ground (Shield)
    2 = Positive
    3 = Negative (Return)

    AC Power Requirement
    Standby: 1 watt
    Power On: 12 watts
    115 or 230 VAC 50 - 60 Hz
    (Selected on Chassis Bottom)

    Dimensions
    Width: 17-1/4" (437mm)
    Depth: 13-3/4" (350mm)
    Height, with feet: 4-1/8" (105mm)
    Height, without feet: 3-1/2" (89mm)

    Weight
    Net: 19 lbs. (8.6 Kg)
    Shipping: 26 lbs. (11.8 Kg)

    Rack Mount Accessory
    HRA 2 (may be purchased separately)